<template>
<div>
    <!-- 导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        
    </el-breadcrumb>


    <!-- 卡片视图区域 -->
    <el-card class="box-card">
        <!-- 搜索与添加区域 -->
        <el-row :gutter="20">
            <el-col :span="13">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getUserList()'> 
                <el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
                </el-input>
            </el-col>
            <el-col :span="6">
                 <el-button type="primary" @click="dialogVisible=true">添加按钮</el-button>

            </el-col>
        </el-row>
        <!-- 用户列表表格区域 -->
 
    <el-table  :data='userlist' border stripe>
        <el-table-column  type='index'> </el-table-column> 
     
      <el-table-column  label="姓名" prop='username'></el-table-column>
      
      <el-table-column  label="邮箱" prop='email'></el-table-column>
       
      
      <el-table-column  label="电话" prop='mobile'>
       
      </el-table-column>
      <el-table-column  label="角色" prop='role_name'>
       
      </el-table-column>
      <el-table-column  label="状态" >
       <template slot-scope="scope">
           <!-- {{scope.row.mg_state}} -->
           <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
       </template>
      </el-table-column>

      <el-table-column  label="操作" width=190px>
          <template slot-scope="scope">
            <el-tooltip class="item" effect="dark" content="编辑" placement="top" :enterable='false'>
             <el-button type="primary" icon="el-icon-edit" size='mini' @click='showEditDialog(scope.row.id)'></el-button>
            </el-tooltip>  
           <el-tooltip class="item" effect="dark" content="分配角色" placement="top">
             <el-button type="warning" icon="el-icon-setting" size='mini' @click="setRole(scope.row)"></el-button>
            </el-tooltip>  
            <el-tooltip class="item" effect="dark" content="删除" placement="top">
             <el-button type="danger" icon="el-icon-delete" size='mini' @click='deleteUserInfo(scope.row.id)'></el-button>
            </el-tooltip>  
            
            
              

          </template>
            
       
      </el-table-column>
    </el-table>

    <!-- 添加用户提示对话框 -->
    <el-dialog title="添加用户" :visible.sync="dialogVisible" width="50%" @close='addDialogClosed'>

    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="80px" >
        <!-- prop具体的校验规则 v-model数据的双向绑定-->
        <el-form-item label="用户名" prop="username">
        <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
        <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
        <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号码" prop="mobile">
        <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser" >确 定</el-button>
    </span>
    </el-dialog>


    <!-- 修改用户信息对话框 -->
        <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%">

    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="80px" >
        <!-- prop具体的校验规则 v-model数据的双向绑定-->
        <el-form-item label="用户名" >
        <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
        <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号码" prop="mobile">
        <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser" >确 定</el-button>
    </span>
        </el-dialog>

    <!-- 设置用户角色 -->
    <el-dialog title="分配用户" :visible.sync="setRoleDialogVisible" width="50%" @close='setRoleDialogClosed'>
        <div>
        <p>当前用户:{{userInfo.username}}</p>
        <p>当前用户角色:{{userInfo.role_name}}</p>
        <p>分配新角色:
           <el-select v-model="selectedRoleId" placeholder="请选择">
               <el-option v-for="item in roleList" :key="item.id" :label='item.roleName' :value='item.id'>

               </el-option>
           </el-select> 
        </p>
        </div>


    <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary"  @click="saveRole">确 定</el-button>
    </span>

    </el-dialog>



    <!-- 分页区域 -->
     <el-pagination @size-change="handleSizeChange"
      @current-change="handleCurrentChange"   
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
 

    </el-card>

    

</div>
    
</template>
<script>
export default {
    data(){


        // 自定义校验规则
        // 验证邮箱的规则
        var checkEmail = (rule, value, callback) => {
           const regEmail =/^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/
           if(regEmail.test(value)){
            //    合法的邮箱
               return callback()

           }
           callback(new Error('请输入合法的邮箱'))

        }
        // 验证手机号码的规则
        var checkMobile = (rule, value, callback) => {
            const regMobile=/^1[3|4|5|7|8][0-9]{9}$/
            if(regMobile.test(value)){
                return callback()
            }
            callback(new Error('请输入正确的手机号码'))
        }


        return{
            // 获取用户列表的参数对象
            queryInfo:{
                query:'',
                // 当前的页数
                pagenum:1,
                // 页大小
                pagesize:2
            },
            // 用户信息列表
            userlist:[],
            // 用户总数
            total:0,
            // 控制添加用户对话框
            dialogVisible:false,
            // 添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
                },
            // 添加表单的验证规则对象
            addFormRules:{
                username:[
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                password:[
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }

                ],
                email:[
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator:checkEmail, trigger: 'blur' },

                ],
                mobile:[
                    { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator:checkMobile, trigger: 'blur' },
  


                ]
            },
            // 控制修改用户对话框
            editDialogVisible:false,

            // 控制分配用户角色对话框
            setRoleDialogVisible:false,
            // 需要被分配角色的用户信息
            userInfo:{},
            // 所有角色列表
            roleList:[],
            // 已选中的角色id值
            selectedRoleId:'',


            // 根据id查询到的用户信息
            editForm:{

            },
            // 修改表单的验证规则对象
            editFormRules:{
                email:[
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator:checkEmail, trigger: 'blur' },
                ],
                mobile:[
                    { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator:checkMobile, trigger: 'blur' },

                ]
            },

           
                  
            


        }   
  },
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList(){
        const {data:res} =await this.$http.get('users',{params:this.queryInfo})
        // 
        if(res.meta.status!==200) return window.$message.error(res.meta.msg)
        this.userlist=res.data.users
        this.total=res.data.total
        // console.log(res)
        },
        // 监听pagesize改变的事件
        handleSizeChange(newSize){
            // console.log(newSize)
            this.queryInfo.pagesize=newSize
            this.getUserList()

        },
        // 监听页码值改变的事件
        handleCurrentChange(newPage){
            // console.log(newPage)
            this.queryInfo.pagenum=newPage
            this.getUserList()

        },
        // 监听switch状态的改变
        async userStateChanged(userinfo){
            // console.log((userinfo))

            // 返回一个promise对象

            // console.log(this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`))

         const {data:res}=await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
         console.log(res)
         if(res.meta.status!==200){
            this.userinfo = !this.userinfo
            this.$message.error('更新状态失败')

         }
         return this.$message.success('更新状态成功')

           
        },
        // 监听添加用户对话框关闭事件  
        addDialogClosed(){
            // 表单重置
            this.$refs.addFormRef.resetFields()

        },
        // 点击按钮,添加新用户
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
                // console.log(valid)
                if(!valid) return
                // 表单预校验成功,\可以发起添加新用户的网络请求
                const {data:res}=await this.$http.post('users',this.addForm)
                if(res.meta.status!==201){
                    return this.$message.error('添加用户失败')
                } 
                
                this.$message.success(res.meta.msg)
                // 隐藏添加用户对话框
                this.dialogVisible=false
                // 重新刷新用户列表
                this.getUserList()

            })

        },
         // 修改用户信息对话框
        async showEditDialog(id){
            console.log(id)
            const {data:res}=await this.$http.get('users/'+id)
            if(res.meta.status!==200){
                return this.$message.error('查询用户信息失败')

            }

            this.editForm=res.data
            this.editDialogVisible=true

        },
        // 点击按钮,修改用户信息
        editUser(){
                this.$refs.editFormRef.validate(async valid=>{
                // console.log(valid)
                if(!valid) return
                // 表单预校验成功,\可以发起修改新用户的网络请求
                const {data:res}=await this.$http.put('users/'+this.editForm.id,{
                    email:this.editForm.email,
                    mobile:this.editForm.mobile
                })
                if(res.meta.status!==200){
                    return this.$message.error('修改用户失败')
                } 
                
                this.$message.success(res.meta.msg)
                // 隐藏修改用户对话框
                this.editDialogVisible=false
                // 重新刷新用户列表
                this.getUserList()

            })


        },
        // 根据id删除用户信息
        async deleteUserInfo(id){
            // console.log(id)
            // 是否确认删除
           const confirmResult= await this.$confirm('此操作将永久删除该用户, 是否继续?', 
           '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).catch(err=>{
            return err
        })

        // console.log(confirmResult)
        // 点击确认,返回字符串confirm
        // 点击取消,返回字符串cancel
        if(confirmResult!=='confirm'){
            return this.$message.info('已取消删除')

        }
        const {data:res} = await this.$http.delete('users/'+id)
        console.log(res)
        if(res.meta.status !== 200){
             return this.$message.error('删除用户失败！')

        }
            this.$message.success('删除用户成功！')
            this.getUserList()

        },
        // 展示分配角色对话框
        async setRole(userInfo){
            this.userInfo=userInfo
            // 在展示对话框之前，获取所有角色列表
            const {data:res} =await this.$http.get('roles')
            if(res.meta.status!==200){
                return this.$message.error('获取角色列表失败')
            }
            this.$message.success('获取角色列表成功')
            this.roleList=res.data
            this.setRoleDialogVisible=true

        },
        // 点击确定，保存角色信息
        async saveRole(){

            // console.log(this.userInfo.id) 500
            if(!this.selectedRoleId){
                return this.$message.error('请选择要分配的角色')
            }
            const {data:res} =await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
            
             if(res.meta.status!==200){
                return this.$message.error('更新角色列表失败')
            }
            this.$message.success('更新角色列表成功')
            this.getUserList()
            this.setRoleDialogVisible=false


        },
            
        // 监听设置用户角色对话框关闭事件  
        setRoleDialogClosed(){
            this.selectedRoleId=''
            this.userInfo={}

        }
    
    }

  


  


    
}
</script>
<style lang="less" scoped>

</style>